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Comparing Small-Group and Individual Behavior in Lottery-Choice Experiments

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Author Info
Ronald J. Baker II () (Millersville University of Pennsylvania)
Susan K. Laury () (Georgia State University)
Arlington W. Williams () (Indiana University Bloomington)

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Abstract

Lottery-choice experiments are conducted to compare risk preferences revealed by three-person groups versus isolated individuals. A lottery-choice experiment consists of a menu of paired lottery choices structured so that the crossover point from a low-risk to a high-risk lottery can be used to infer the degree of risk aversion. A between-subjects experiment of group versus individual lottery-choice decisions reveal that there is not a significant difference in the average crossover point, but lottery choices are affected by a significant interaction between subject composition (individual or group) and lottery winning percentage. Also, a three-phased individual-group-individual sequenced experiment reveals that the count of safe lotteries chosen by groups is, on average, significantly greater than the mean of the individual members. Finally, making a phase-two group decision has a significant impact on subsequent phase-three individual decisions relative to the initial phase-one (individual) decisions.

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File URL: http://www.iub.edu/~caepr/RePEc/PDF/2007/CAEPR2007-018_updated.pdf
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Publisher Info
Paper provided by Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington in its series Caepr Working Papers with number 2007-018_Updated.

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Length: 31 pages
Date of creation: May 2008
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Handle: RePEc:inu:caeprp:20070181_updated

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Related research
Keywords: lab experiments; risk preferences; group decisions;

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Find related papers by JEL classification:
C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. David Masclet & Youenn Loheac & Laurent Denant-Boemont & Nathalie Colombier, 2004. "Group and individual risk preferences : a lottery-choice experiment," Cahiers de la Maison des Sciences Economiques bla06063, Université Panthéon-Sorbonne (Paris 1), revised Sep 2006. [Downloadable!]
    Other versions:
  2. RobertS. Shupp & ArlingtonW. Williams, 2008. "Risk preference differentials of small groups and individuals," Economic Journal, Royal Economic Society, vol. 118(525), pages 258-283, 01. [Downloadable!] (restricted)
    Other versions:
  3. Charles A. Holt & Susan K. Laury, 2002. "Risk Aversion and Incentive Effects," American Economic Review, American Economic Association, vol. 92(5), pages 1644-1655, December. [Downloadable!]
  4. Glenn W. Harrison & Eric Johnson & Melayne M. McInnes & E. Elisabet Rutstrom, 2005. "Risk Aversion and Incentive Effects: Comment," American Economic Review, American Economic Association, vol. 95(3), pages 897-901, June. [Downloadable!]
  5. Charles A. Holt & Susan K. Laury, 2005. "Risk Aversion and Incentive Effects: New Data without Order Effects," American Economic Review, American Economic Association, vol. 95(3), pages 902-912, June. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. David Masclet & Youenn Loheac & Laurent Denant-Boemont & Nathalie Colombier, 2004. "Group and individual risk preferences : a lottery-choice experiment," Cahiers de la Maison des Sciences Economiques bla06063, Université Panthéon-Sorbonne (Paris 1), revised Sep 2006. [Downloadable!]
    Other versions:
  2. Jingjing Zhang & Marco Casari, 2009. "How groups reach agreement in risky choices: an experiment," Department of Economics Working Papers 2009-08, McMaster University. [Downloadable!]
    Other versions:
  3. Lucy F. Ackert & Ann B. Gillette & Jorge Martinez-Vazquez & Mark Rider, 2009. "Risk Tolerance, Self-Interest, and Social Preferences," Experimental Economics Center Working Paper Series 2009-04, Experimental Economics Center, Andrew Young School of Policy Studies, Georgia State University. [Downloadable!]
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This page was last updated on 2009-11-21.

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